check engine PONTIAC FIREBIRD 1998 Service Manual

Ignition Transmission Lock Check
While parked, and with the
parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
With an automatic transmission, the key should turn
to LOCK only when the shift lever is in PARK (P).
With a manual transmission, the key should turn to
On vehicles with a key release button, try to turn the key
to LOCK without pressing the button. The key should
turn to LOCK only when you press the key button. LOCK only when the
shift lever is in REVERSE (R).
On
all vehicles, the key should come out only in LOCK.
Parking Brake and Automatic Transmission
PA-” :P) M ’nanisl k
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake,
set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
0 To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK
(P). Then
release all brakes.
Underbody Flushing Service At least every spring, use plain water to flush any
corrosive materials from the underbody. Take
care to
clean thoroughly any areas where mud and other debris
can collect.
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there
is room in front of your vehicle in case
it begins to roll. Be ready to apply the regular
brake
at once should the vehicle begin to move.
7-35

1998 PONTIAC SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with your check, money order,
or credit card information to Helm, Incorporated (address below.)
CURRENT PUBLICATIONS FOR 1998 PONTIAC
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
1998 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $40.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated RO. Box 07130 Detroit, MI 48207
OWNER’S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about the
vehicle. The owner’s manual
will include the Maintenance
Schedule for
all models.
In-Portfolio: Includes a Portfolio, Owner’s Manual and
Warranty Booklet. RETAIL SELL PRICE:
$1 5.00
Without Portfolio: Owner’s Manual only.
RETAIL SELL PRICE: $1
0.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model
GM vehicles. To request an order form, please
specify year and model name of the vehicle.
OR ORDER TOLL FREE: 1-800-782-4356
Monday-Friday 8:OO AM - 6:OO PM Eastern Time
For Credit Card Orders Only (VISA-MasterCarcCDisr)

Section 9 Index
Accessory Plug ............................... 2-62
Adding Equipment to the Outside of Your Vehicle ...... 6-3
Air Bag ....................................... 1-22
How Does it Restrain .......................... 1-26
How it Works ................................ 1-24
Location .................................... 1-24
Readiness Light ......................... 1.23. 2.81
Servicing ................................... 1-27
What Makes it Inflate .......................... 1-25
What Will You See After it Inflates ............... 1-26
When Should it Inflate ......................... 1-25
Aircleaner .................................... 6-18
Air Conditioning ................................ 3-3
Air Conditioning Refrigerants ..................... 6-70
Aircontrol ..................................... 3-2
Air Filter Replacement ........................... 6- 19
Alarm. Content Theft-Deterrent System ............. 2- 14
AlarmPanicMode ............................... 2-8
Alignment and Balance. Tire ...................... 6-51
Aluminum Wheels. Cleaning ...................... 6-59
Antenna. Power ................................ 3-22
Antifreeze ..................................... 6-27
Anti-Lock
Brake System Warning Light
................ 2.82. 4.7
Anti-Theft, Radio .............................. 3-17
Appearance Care ............................... 6-53
Appearance Care Materials Chart .................. 6-61
Arbitration Program .............. ............ 8-9
Ashtray and Lighter ........................... 2-60
Audio Equipment, Adding ........................ 3-20
Audio Steering Wheel Controls .................... 3-19
Audio Systems .................................. 3-7
Auto-Down Window ............................ 2-45
Automatic Overdrive ............................ 2-32
Automatic Transmission
Check
...................................... 7-33
Fluid ....................................... 6-20
Operation ................................... 2-30
Park Mechanism Check ........................ 7-35
Shifting ..................................... 2-30
StartingYourEngine .......................... 2-26
Brakes ...................................... 4-7
Axle, Limited-Slip Rear ......................... 2-44
Axle, Rear .................................... 6-27
9-1

Driver Position ................................. 1-14
Driver’s Door
Alarm Delay and Shock Sensor Enable . . 2-22
Driving City
........................................ 4-20
Defensive
.................................... 4-2
Drunken
..................................... 4-3
Freeway
.................................... 4-2 1
In a Blizzard ................................. 4-28
In Foreign Countries ........................... 6-5
IntheRain
.................................. 4-17
Night
...................................... 4-15
On Curves
.................................. 4-10
On Grades While Towing a Trailer
............... 4-37
On
Hill and Mountain Roads .................... 4-23
On Snow and Ice ............................. 4-26
Throughwater
............................... 4-19
WetRoads
.................................. 4-17
Winter
...................................... 4-25
With a Trailer
................................ 4-36
DrunkenDriving
................................ 4-3
Electrical Equipment. Adding
..... 2-27.2.28.3-20. 6-62
Electrical System
............................... 6-62
Engine
.................................. 6-10. 6-11
Coolant
..................................... 6-27
Coolant Heater
............................... 2-29
Coolant Level Check .......................... 7-32
Coolant Temperature Gage
..................... 2-84
Exhaust ..................................... 2-42
FuseBlocks
................................. 6-67 Identification
................................ 6-62
OilLevelCheck .............................. 7-32
Overheating
................................. 5-15
Running
While Parked ......................... 2-43
Specifications ................................ 6-68
StartingYour ................................ 2-26
Engineoil
.................................... 6-12
Additives
................................... 6-17
Checking
................................... 6-13
Used
....................................... 6-17
What Kind
Of Oil to Use ....................... 6-14
WhentoAdd
................................ 6-14
When to Change
.............................. 6-17
Ethanol
........................................ 6-5
Exit Lighting
............................. 2-19, 2-55
Exit Lighting and Delayed Illumination
............. 2-19
Fabric Cleaning
............................... 6-54
FanControlKnob
............................... 3-2
FeatureCustomization
........................... 2-18
Driver’s
Door Alarm Delay and
Shock Sensor Enable ....................... 2-22
Exit Lighting
and Delayed Illumination ........... 2-19
Last
Door Closed Locking and Lockout Prevention . . 2-20
Remote Keyless Entry Lock Verification
........... 2-20
Theft-Deterrent Arming Method ................. 2-21
Filling A Portable Fuel Container ................... 6-8
FillingYourTank ................................ 6-6
Theft-Deterrent Arming Verification
.............. 2-22

Filter. Air ..................................... 6-18
Filter. Engine Oil ............................... 6-70
Finish Care .................................... 6-58
Finish Damage ................................. 6-60
Flashers. Hazard Warning ......................... 5-2
Flat Tire. Changing ............................. 5-27
RoorMats .................................... 2-62
Fluids and Lubricants ............................ 7-38
FOgLamps .................................... 2-54
Folding Rear Seatback ............................ 1-8
Foreign Countries, Fuel ........................... 6-5
Four-Way Manual Seat ........................... 1-3
French Language Manual ........................... ii
Front Console
.................................. 2-58
Front Seatback Latches ........................... 1-7
FrontTowing .................................. 5-10
Front Tuni Signal Lamp Bulb Replacement .......... 6-39
Fuel .......................................... 6-3
FillingYourTank .............................. 6-6
Gage ....................................... 2-90
In Foreign Countries ........................... 6-5
Fuses and Circuit Breakers ....................... 6-63
Gages Engine Coolant Temperature
.................... 2-84
Fuel ....................................... 2-90
Oil Pressure ................................. 2-88
GAWR ..................................4-30. 4-31
Gear Positions. Automatic Transmission ............. 2-30
Gear Positions. Manual Transmission ............... 2-35
Glove Box .................................... 2-58
Graphic Equalizer ......................... 3.11. 3.12
Gross Axle Weight Rating ................... 4.30. 4.31
Gross Vehicle Weight Rating ................. 4.30, 4.31
Guide en Franqais ................................. ii
GVWR ................................ 4.30. 4.31
Halogen Bulbs ................................ 6-38
Hatch ........................................ 2-11
Hatch Release .................................. 2-11
Hatch Release, Remote .......................... 2-12
Hazard Warning Flashers .......................... 5-2
Head Restraints ................................. 1-7
Headlarnp Bulb Replacement ...................... 6-38
Headlamp Doors ............................... 2-53
High/Low Beam Changer ...................... 2-47
On Reminder ................................ 2-52
Wiring ..................................... 6-63
Hearing Impaired, Customer Assistance .............. 8-5
Headlarnps
Heating
........................................ 3-4
High-Beam Headlamps .......................... 2-47
Highway Hypnosis .............................. 4-23
Hill and Mountain Roads ......................... 4-23
Hitches. Trailer ................................. 4-35
Hood Checking Things Under
......................... 6-8 ~~
Release ...................................... 6-9
Horn ......................................... 2-45
Hydraulic Clutch ............................... 6-26

Hydraulic Clutch System Check ................... 7-33
Hydroplaning
.................................. 4- 19
If a Tile Goes Flat .............................. 5-27
Transmission Lock Check
...................... 7-35
Ignition Positions
............................... 2-24
Inflation. Tire
.................................. 6-45
Inside Daymight Rearview Mirror
................. 2-57
Inspections
.................................... 7-36
Brake System
................................ 7-37
Engine Cooling System
........................ 7-36
Exhaust Systems
............................. 7-36
RearAxle
................................... 7-37
Steering .................................... 7-36
Suspension
.................................. 7-36
Throttle Linkage
.............................. 7-37
Instrumentpanel
............................... 2-76
Brightness Control
............................ 2-55
Cleaning
.................................... 6-55
Cluster
..................................... 2-78
Interior Lamps
................................. 2-55
.................................... J ack. Tire 5-30
Jumpstarting
................................... 5-3
Key Lock Cylinders Service ..................... 7-33
Key Release Button
............................. 2-25
Keyless Entry Lock Verification. Remote
............ 2-20
Keyless Entry System. Remote
..................... 2-6
Keys
.......................................... 2-2 Labels
Certification
................................. 4-30
Service Parts Identification ..................... 6-62
Tire-Loading Information
..................... -4-30
Vehicle Identification Number ................... 6-62
Courtesy
.................................... 2-55
Interior
..................................... 2-55
On Reminder
................................ 2-52
Last Door Closed Locking ......................... 2-5
Last Door Closed Locking and Lockout Prevention .... 2-20
Latches. Front Seatback
........................... 1-7
Leaving Your Vehicle
............................. 2-6
Leaving
Your Vehicle with the Engine Running ....... 2-40
Lighter
....................................... 2-60
Lights
Lamps
Air Bag Readiness
....................... 1.23. 2.77
Anti-Lock Brake System Warning
............ 2.83. 4.7
Brake
System Warning ......................... 2-82
CheckGages
................................ 2-90
LowCoolant
................................. 2-85
Low Oil
.................................... 2-89
Low Traction
............................ 2.84. 4.9
Safety Belt Reminder
...................... 1.9. 2.80
Service Engine Soon
.......................... 2-85
Traction Control System Warning
............ 2.83. 4.9
Limited-Slip Differential. Rear Axle
................ 6-27
Loading
Your Vehicle ........................... 4-30
Lockout Prevention
......................... 2.6. 2.20
9-6

Locks
Cylinders ................................... 7-33
Key Lock Cylinder Service ..................... 7-33
Low coolant Light .............................. 2-85
Low Oil Light ................................. 2-89
Low Traction Light ......................... 2-84, 4-9
Lubricants and Fluids ............................ 7-38
Lubrication Service, Body ........................ 7-33
........................................ Door 2-4
PowerDoor .................................. 2-5
LossofControl ................................ 4-14
Main Fuse Block .............................. 6-64
Maintenance. Normal Replacement Parts ............ 6-70
Maintenance Record ............................ 7-40
Maintenance Schedule ............................ 7- 1
Long Trip/Highway Definition ................... 7-6
Long TripMghway Intervals ..................... 7-6
Owner Checks and Services ..................... 7-32
Periodic Maintenance Inspections ................ 7-36
Recommended Fluids and Lubricants ............. 7-38
Scheduled Maintenance Services .................. 7-4
Short TripKity Definition ....................... 7-5
Short TripKity Intervals ........................ 7-5
Maintenance. Underbody ......................... 6-60
Maintenance When Trailer Towing ................. 4-38
Malfunction Indicator Lamp ...................... 2-85
Manual Front Seat ............................... 1-2
Manual Remote Control Mirror . . ............. 2-57
Manual Transmission
Check
7-33
Fivespeed .................................. 2-35
Fluid ....................................... 6-24
......................................
Operation ................................... 2-35
Shift Speeds ................................. 2-37
Starting Your Engine .......................... 2-26
Six Speed ...................................
Map Pocket ...................................
2-36
2-58
Methanol ...................................... 6-5
Mirrors
Convex Outside .............................. 2-58
Inside Daymight Rearview ..................... 2-57
Manual Remote Control ........................ 2-57
Outside Manual Adjustable ..................... 2-57
Power Remote Control ......................... 2-57
Multifunction Lever ............................. 2-46
Neutral, Automatic Transmission ................. 2-32
New Vehicle “Break-In” ......................... 2-23
Odometer .................................... 2-79
Odometer, Trip ................................. 2-79
Visorvanity ................................. 2-61
MountainRoads ................................ 4-23
Nightvision ................................... 4-16
Off-RoadRecovery ............................. 4-12
~~ .. 9-7

Oil. Engine .................................... 6- 12
Oil Pressure Gage .............................. 2-88
Overdrive. Automatic Transmission ................ 2-32
Overheating Engine ............................. 5- 15
Owner Checks and Services ....................... 7-32
Owner Publications. Ordering ..................... 8- 12
paint Spotting. Chemical ........................ 6-60
PARK (P)
Automatic Transmission ....................... 2-30
Shifting Into ................................. 2-39
Shifting Out of ............................... 2-41
AtNight .................................... 2-13
Brake ...................................... 2-44
Brake Mechanism Check ....................... 7-35
Lots ....................................... 2-13
OverThingsThatBurn ........................ 2-42
With a Trailer ................................ 4-38
Parking Your Vehicle. Manual Transmission .......... 2-41
Passenger Position ......................... 1-22. 1-28
PASS-Key (8, II ................................. 2-17
Periodic Maintenance Inspections .................. 7-36
Pontiac Cares Information ......................... 8-2
Power
Antenna
Mast Care ............................ 3-22
DoorLocks ................................... 2-5
Option Fuses ................................ 6-63
Remote Control Mirror ........................ 2-57
Parking
Passing
....................................... 4-13
Retained Accessory ........................... 2-56
Six-WaySeat ................................. l-3
Steering .................................... 4-10
SteeringFluid ................................ 6-31
Windows ................................... 2-45
Pregnancy, Use of Safety Belts .................... 1-21
Problems on the Road ............................ 5-1
Publications, Service and Owner ................... 8-12
Radiator ................................ 5.21. 5.24
Radiator Pressure Cap ........................... 6-31
Radio Reception ................................ 3-20
Radios .......................... 3.7.3.8.3.11. 3.12
Rain. DrivingIn ................................ 4-17
Rear
RAP ......................................... 2-56
Axle ....................................... 6-27
Lamp Bulb Replacement ....................... 6-41
Seat Passengers .............................. 1-28
Sidemarker Bulb Replacement ................... 6-42
Towing ..................................... 5-13
Window Defogger ............................. 3-5
Rearview Mirror, Inside Daymight ................. 2-57
Reclining Front Seatbacks ......................... 1-5
Recommended Fluids and Lubricants ............... 7-38
Recovery Tank. Coolant .......................... 5-19
Refrigerants, Air Conditioning .................... 6-70

Second Gear. Automatic Transmission .............. 2-33
Second-Gear
Start .............................. 2-34
Service
........................................ 6-2
Bulletins. Ordering ............................ 8-12
Engine Soon Light ............................ 2-85
Manuals. Ordering ............................ 8-12
Parts Identification Label ....................... 6-62
Publications. Ordering ......................... 8- 12
Work. Doing Your Own ......................... 6-2
Service and Appearance Care ...................... 6-1
Service and Owner Publications ................... 8- 12
Servicehblications ............................. 8-12
Servicing Your Air Bag-Equipped Pontiac ........... 1-27
Sheet Metal Damage ............................ 6-59
Shift Speeds ................................... 2-37
shifting Automatic Transmission
....................... 2-30
Into
PARK (P) ............................... 2-39
out of PARK (P) ............................. 2-41
Shifting. Manual Transmission .................... 2-35
SignalingTurns ................................ 2-46
Six-Way Power Seat ............................. 1-3
Skidding ...................................... 4-14
Sound Equipment. Adding ........................ 3-20
Spare Tire. Compact ............................. 5-40
Specifications and Capacities ...................... 6-68
Specifications. Engine ........................... 6-68
Sportseat ...................................... 1-4
ShiftLever .................................... 2-30
Speech Impaired. Customer Assistance ............... 8-5
Speedometer ................................... 2-79
SRS ......................................... 1-22
Stains. Cleaning ................................ 6-55
Standard Differential. Rear Axle ................... 6-26
Starter Switch Check ............................ 7-34
Starting Your Engine ............................ 2-26
Steam ........................................ 5-15
Steering ...................................... 4-10
In Emergencies ............................... 4-11
Power ...................................... 4-10
Tips ........................................ 4-10
Wheel. Tilt .................................. 2-46
Wheel Touch Controls ......................... 3-19
Storage Compartments
........................... 2-58
Storage.
Vehicle ................................ 6-37
Stuck In Sand, Mud. Ice or Snow .................. 5-41
Sunshades. T-Top ............................... 2-67
Supplemental Restraint System .................... 1-22
Symbols. Vehicle .................................. v
TapePlayerCare ............................... 3-21
Temperature Control Knob ........................ 3-2
Theft Arming Method ........................... 2-21
Theft Arming Verification ........................ 2-22
Theft-Deterrent System. Content ................... 2-14
Arming the System ............................ 2-15
Disarming the System ......................... 2-16
Turning Off the Alarm ......................... 2-16
Sunvisors .................................... 2-61
Tachometer .................................. 2-79
Theft ......................................... 2-13
9-10

THEFTLOCK TM (Theft-Deterrent Feature) ........... 3- 17
Thermostat .................................... 6-3 1
Third Gear. Automatic Transmission ................ 2-32
Tilt Steering Wheel
............................. 2-46
Tire. Storing Tire and Tools
....................... 5-38
Tire Chains
.................................... 6-52
TireLoading ................................... 4-30
Tire-Loading Information Label
................... 4-30
Tires
......................................... 6-44
Alignment and Balance
........................ 6-51
Buying New ................................. 6-49
Chains
..................................... 6-52
Changing a Flat
.............................. 5-27
Cleaning
.................................... 6-59
Compact Spare
............................... 5-40
Inflation
.................................... 6-45
Inflation Check
............................... 7-32
Inspection and Rotation
........................ 6-46
Loading
.................................... 4-30
Pressure
.................................... 6-45
Temperature
................................. 6-5 1
Traction .................................... 6-50
Treadwear
................................... 6-50
Uniform Quality Grading
....................... 6-50
Wear Indicators
.............................. 6-48
Wheel Replacement
........................... 6-5 1
When It’s Time for New ....................... 6-48
TopStrap
..................................... 1-39
TorqueLock
................................... 2-40 Torque. Wheel Nut
....................... 5.37. 6.68
TowingaTrailer
................................ 4-32
Towing Your Vehicle
............................. 5-8
Control System ................................ 4-8
Backing Up with
............................. 4-36
Driving on Grades
............................ 4-37
Engine Cooling When Towing
................... 4-38
Following Distance
........................... 4-36
Hitches ..................................... 4-35
If You Do Decide To Pull
A ..................... 4-33
Maintenance When Towing
..................... 4-38
MakingTurns
................................ 4-37
ParkingonHills
.............................. 4-38
Traction
Control
Off Button ............................. 4-10
Control System Warning Light
.............. 2.83. 4.9
Trailer
Brakes
..................................... 4-35
Drivingwith
................................. 4-36
Passing with
................................. 4-36
Safety Chains
................................ 4-35
Total Weight on Tires
.......................... 4-35
Tongueweight
............................... 4-34
Towing
..................................... 4-32
Turnsignals
................................. 4-37
Weight
..................................... 4-33
Automatic ................................... 6-20
Manual
..................................... 6-24
Transmitters, Remote Keyless Entry
................. 2-6
9-11